Activity 01
Field Survey: Local Biodiversity Audit
Small groups use quadrats and identification apps to catalog species in school grounds or nearby parks. Calculate Shannon diversity index from data. Present findings on threats and services in a class chart.
Justify the importance of biodiversity for ecosystem stability and resilience.
Facilitation TipDuring the field audit, assign small teams distinct microhabitats to ensure comprehensive coverage.
What to look forPose the question: 'Imagine a local park loses half its plant species due to disease. Describe two ways this loss would likely impact the park's ecosystem services and its overall resilience.' Facilitate a class discussion, encouraging students to reference specific services and stability concepts.
AnalyzeEvaluateCreateDecision-MakingSelf-Management
Generate Complete Lesson→· · ·
Activity 02
Role-Play Simulation: Invasive Species Arrival
Pairs draw species cards for a habitat model; introduce invasive cards with advantages like rapid reproduction. Simulate 5-6 generations, graphing population shifts. Discuss equilibrium changes in debrief.
Analyze how the introduction of an invasive species alters the equilibrium of a local habitat.
Facilitation TipFor the invasive species role-play, provide time for students to research their assigned species before the simulation begins.
What to look forProvide students with a short case study about the introduction of zebra mussels into Lake Ontario. Ask them to identify the invasive species, list two ways it has altered the lake's ecosystem, and explain one economic impact.
AnalyzeEvaluateCreateDecision-MakingSelf-Management
Generate Complete Lesson→· · ·
Activity 03
Jigsaw: Types of Ecosystem Services
Assign small groups one service category; research Ontario examples and values. Regroup to teach peers, then co-create a services map. Evaluate top priorities as a class.
Evaluate the economic and ecological value of various ecosystem services.
Facilitation TipIn the jigsaw research, give each expert group a graphic organizer to structure their findings before teaching their peers.
What to look forOn an index card, have students write down one specific ecosystem service they benefit from daily (e.g., clean air, food) and then list one action they could take to help protect the ecosystem that provides it.
UnderstandAnalyzeEvaluateRelationship SkillsSelf-Management
Generate Complete Lesson→· · ·
Activity 04
Formal Debate: Service Valuation
Divide whole class into economic and ecological value teams. Use evidence from prior activities to argue priorities. Vote and reflect on trade-offs.
Justify the importance of biodiversity for ecosystem stability and resilience.
Facilitation TipDuring the debate, assign clear speaking roles to keep the discussion focused and equitable.
What to look forPose the question: 'Imagine a local park loses half its plant species due to disease. Describe two ways this loss would likely impact the park's ecosystem services and its overall resilience.' Facilitate a class discussion, encouraging students to reference specific services and stability concepts.
AnalyzeEvaluateCreateSelf-ManagementDecision-Making
Generate Complete Lesson→A few notes on teaching this unit
Start with local examples students can see, like Carolinian forests or schoolyard species, to build relevance before abstract frameworks. Avoid overloading with jargon by anchoring each term to a concrete observation or activity. Use formative questions during activities to shift thinking from 'what is there' to 'why it matters'.
Students will explain how biodiversity supports ecosystem services by using Ontario examples and data from their own investigations. They will justify decisions about invasive species and economic valuation with clear evidence from role-plays and research.
Watch Out for These Misconceptions
During the Local Biodiversity Audit, watch for students who treat the survey as a species checklist without mapping interactions.
Ask teams to sketch food webs or interaction diagrams during the audit to highlight roles and connections, not just counts.
During the Role-Play Simulation, watch for students who assume ecosystems will always recover despite invasives.
Have students track changes on a class data chart after each round to demonstrate how rapid shifts alter services.
During the Jigsaw Research, watch for students who separate ecosystem services into isolated categories.
Provide a Venn diagram template to help students identify overlaps between service types during their presentations.
Methods used in this brief